It sounds like a dream, but the circumstances here are not quite so fantastical—those that must cross a collapsed bridge to get to work have been using a zip line since last year’s earthquake.
The picture is funny, but the invention is actually legitimately neat. The Alongo Happy Landing Escaper is a wire system that mounts to an emergency exit or beefy window frame, deploys mechanically (without a need for electricity) and allows riders up to 180 kg to slowly descend from a high rise building safely while wearing just a modest safety harness.